Icom IC-M400BB, Service Manual

Page: 44 / 48

10 - 1
SECTION 10. VOLTAGE DIAGRAM
*: Refer to the PARTS LIST for the value and name of component.
• LOGIC UNIT
KDS122
D5
CF20
CP1
CP15S
CP19
CP15S
CP9
CP15S
CP22
CP15S
CP16
CP15S
CP15
CP15S
CP18
PC357N6J000F
IC8
J4
1
2
3
4
5
6
J1
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
CP15S
CP3
CP15S
CP5
CP15S
CP2 CP15S
CP4
CP15S
CP7
CP15S
CP6
CP15S
CP8
L1SS400
D4
L2SC4081
Q8
L1SS400
D3
L2SC4081
Q5
L2SC4081
Q4
LMV358IPW
IC2
1
2
3
4
5
6
7
8
100k
R57
470k
R53
NJM2211M
IC11
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
1.8k R56
39k R54
CP15S
CP21
CP15S
CP23
CP15S
CP17
CP15S
CP14 CP15S
CP11
CP15S
CP12 CP15S
10 R51
10
R83
1k
R82
100k R81
47k R85
47k
R84
4.7k R106
100k R108
12
R107
4.7k R102
1k
R101
820
R103
1k
R95
47
R92
4.7k
R91
R65 12k
R66
47k
R67 47k
TC7SET04FU
IC6
1
2
3
4
5
47k R96 2.2k R97
J5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
J6
1
2
3
4
5
6
7
8
9
10
J7
1
2
3
4
5
6
7
CP15S
CP27
CP15S
CP28
100k
R52
100 R34
39k R28
220k
R29
1k
R23
100
R12
1k
R22
TC7W53FK
IC3
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
1k
R16 1k
R25
100k
R24
CP15S
CP25
CP15S
CP26
NJU7704F3
IC10
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
100k
R21
100k R11
10k R71
DTC124EU
Q9
47k
R2
CR-834
X1
10k R61 10k R62
R111 10k
EZJP0V080DA D7
22k R90
MMZ1005S601CT EP11
47 R5
NJM2830U1
IC4
1
CTRL
2
GND
3
NC
4
VOUT
5
VIN
2SK880
Q7
1k
R1
TC7WH14FK
IC7
1
2
3
4
5
6
7
8
TC7WH14FK
IC5
1
2
3
4
5
6
7
8
1k
R3
J2
1
2
3
4
5
6
7
8
9
10
J3
1
2
3
4
5
6
L2SA1576AS
Q6
TC7SET08FU
IC12
1
2
3
4
5
10k
R17
R116 47k
CP15S
CP20
100k R74
0.001
C108
0.068
C104
0.01 C87
0.001
C105
0.001
C86
0.001
C106
0.01 C103 0.1 C102
0.47 C72
0.01
C61
0.1 C107
0.001
C116
0.001
C115
0.01 C111
0.1 C91
0.01 C95
0.22 C65
0.0022
C66 0.1 C67
0.01
C64
0.01 C68
0.0022
C62
0.001
C101
0.1 C63
0.033
C69
0.001 C92
0.1 C81
0.001
C74
0.01 C113
0.001
C114
0.001
C24 0.1 C25
4.7 C88
4.7 C85
0.01
C155
10
C112
0.1 C57
0.068
C71
0.001
C166 0.001 C165
0.047 C35 0.047 C36 0.047 C37 0.047 C38
0.047 C32 0.047 C31
0.047 C33
0.1
C9
0.1 C11 0.1 C10
0.1
C6
0.1
C5
0.1
C2
0.1
C3
0.1
C1
0.1
C4
0.1
C8
0.1
C7
0.01 C20 0.01 C18 0.01 C17 0.01 C19
0.001 C13 0.001 C15 0.001 C14 0.001 C16
0.1 C96
0.001
C82
0.1 C12 0.01 C27 4.7 C26
24P
C43
24P
C44
0.1 C83
J8
1
2
3
4
5
6
7
8
9
CP15S CP36 CP15S CP35 CP15S CP33 CP15S CP34 CP15S CP37 CP15S CP31 CP15S CP32
47k R73
0.1 C162
16k R55
27k
R26
12k R27
0.001
C84
0.001
C89
100
R75
R113 4.7k
DTA114EU
Q3
0 R7
KEY-D7
S4
KEY-D7
S9
KEY-D7
S5
KEY-D7
S10
KEY-D7
S1
KEY-D7
S6
KEY-D7
S11
KEY-D7
S2
KEY-D7
S7
KEY-D7
S13
KEY-D7
S3
KEY-D7
S8
KEY-D7
S12
GT24C256
IC9
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
STM32F100ZET6B
IC1
1
PE2
2
PE3
3
PE4
4
PE5
5
PE6
6
VBAT
7
PC13-TAMPER-RTC
8
PC14-OSC32_IN
9
PC15-OSC32_OUT
10
PF0
11
PF1
12
PF2
13
PF3
14
PF4
15
PF5
16
VSS_5
17
VDD_5
18
PF6
19
PF7
20
PF8
21
PF9
22
PF10
23
OSC_IN
24
OSC_OUT
25
NRST
26
PC0
27
PC1
28
PC2
29
PC3
30
VSSA
31
VREF-
32
VREF+
33
VDDA
34
PA0-WKUP
35
PA1
36
PA2
37
PA3
38
VSS_4
39
VDD_4
40
PA4
41
PA5
42
PA6
43
PA7
44
PC4
45
PC5
46
PB0
47
PB1
48
PB2
49
PF11
50
PF12
51
VSS_6
52
VDD_6
53
PF13
54
PF14
55
PF15
56
PG0
57
PG1
58
PE7
59
PE8
60
PE9
61
VSS_7
62
VDD_7
63
PE10
64
PE11
65
PE12
66
PE13
67
PE14
68
PE15
69
PB10
70
PB11
71
VSS_1
72
VDD_1
73
PB12
74
PB13
75
PB14
76
PB15
77
PD8
78
PD9
79
PD10
80
PD11
81
PD12
82
PD13
83
VSS_8
84
VDD_8
85
PD14
86
PD15
87
PG2
88
PG3
89
PG4
90
PG5
91
PG6
92
PG7
93
PG8
94
VSS_9
95
VDD_9
96
PC6
97
PC7
98
PC8
99
PC9
100
PA8
101
PA9
102
PA10
103
PA11
104
PA12
105
PA13
106
NC
107
VSS_2
108
VDD_2
109
PA14
110
PA15
111
PC10
112
PC11
113
PC12
114
PD0
115
PD1
116
PD2
117
PD3
118
PD4
119
PD5
120
VSS_10
121
VDD_10
122
PD6
123
PD7
124
PG9
125
PG10
126
PG11
127
PG12
128
PG13
129
PG14
130
VSS_11
131
VDD_11
132
PG15
133
PB3
134
PB4
135
PB5
136
PB6
137
PB7
138
BOOT0
139
PB8
140
PB9
141
PE0
142
PE1
143
VSS_3
144
VDD_3
GND
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
NMEAI+
ICF3
CLOTXD
COMTXD
DSCDECO
NMEAI-
COMRXD
GND
GND
TRACECK TRACED0
NJRST
JTDI
JTMS
JTCK
JTDO
NRST
TRACECK
TRACED0
TRACED1
TRACED2
TRACED3
TRACED1 TRACED2 TRACED3
UP DOWN LEFT RIGHT ENT CLR MENU CH16 DIST S1 S2
WR0 DB7 DB6 DB5 DB4 DB3 DB2
COM1RXD
NM1RXD
JTCK
JTDI
BE
DTEST
JTMS
DSCIN
POW
S4
S3
KEYV
NOISEV
DIALB DIALA
CLORXD
CLORXD
WDECV LOINV TDETV TEMPV
SCK
SDATA
PONO
T5VSO
TXMSO
RVSO
IOSTBO
PLSTBO
DASTBO
SCKO
SDATAO
NJRST
JTDO
UNLKI
DTEST
RESETB
CS
CD
PTTIN
PTTINI
RINTMO
REXTMO
RXSPMO
SDATAO
SCKO
PLSTBO
T5VSO
NC_BUSYO
DSCENC
NOISEV
COMRXD
COMTXD
ICF3
IOSTBO
DASTBO
PONO
RVSO
TXMSO
HORNO
TEMPV
DSCDEC
BEEPO
CLORXD
NM1TXD
DASTB
PLSTB
IOSTB
COM1TXD
CLOTXD
DSCIN
NRST
NRST
LOINV
MIC-IN
WDECV
TDETV
MIC-G
DSCDECO
PTT
PTTINI
SP-
SP-
MIC
MIC-G
NMEAO
UNLKI
COM1RXD
COM1TXD
NC_BUSY
NC_BUSYO
RINTM
VER
SP+
SP+
SP+ SP+
SP- SP-
SP-
SP-
SP+ SP+
GND
GND
KEYM
KEYV
DB1
DB0
HORN
HORNO
/NMEAI
DSCDEC
RVS
TXMS
T5VS
PON
RXSPMO REXTMO RINTMO
REXTM RXSPM
RINTM
WR0
CD
RESETB
CS
NM1RXD
GND
NM1TXD
POW
DIALB
DIALA
GND
BOOT
BOOT
RX
RX
HV
HV
HV
HV
HV
VCC
VCC
VCC
VCC
S3 S2 S4 S1
CLR
MENU
CH16
DIST
UP
DOWN
ENT
LEFT
L5V
L5V
L5V
L5V
L5V
BEEP
DSCOUT
BEEPO
DSCENC
DIMM
RIGHT
L3V
L3V
L3V
L3V
L3V
L3V
L3V
L3V
L3V
L3V
L3V
VDD
To the REAR CABLE
VDD
TX
J1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
J2
1 2
3 4
5 6
7 8
9 10
MPZ1608S101A
CONNECT UNIT
EP2
0.01
C1
PTTC
ICF3
VCC-C VCC-C
COMTXD
COMRXD
AF/MIC MICG
VCC-C
ICF3
COMTXD
MICG
PTTC
COMRXD
AF/MIC
GND GND
GND
VCC To the MAIN UNIT
7.9872MHz
344mVP-P
11.95V
12.00V
11.99V
3.31V